Mizuki, a female doctor working at a certain hospital, is immersed in the treatment of Aimi, a high school girl infected with SDX (Viral and Sexually Sensitive Disease). During the treatment, Mizuki realizes that SDX is artificially made. However, at that moment, Dr. Nakamatsu appears and begins a desperate game of survival.

Let the ultimate sexy death games begin! A handful of mysterious Japanese women take part in a deranged web show that makes them strip off their clothes when they lose a round of Mahjong. When there is nothing left to hide, the losers secrets are revealed and the nubile contestants must take their punishment. Can anyone survive, or keep their clothes on, in the dangerous game of STRIP MAHJONG: BATTLE ROYALE? Gleefully adding a risqué, wry twist to an ancient game of strategy, this erotic thriller delivers voyeuristic thrills with the friskiness of Seventies sexploitation flicks, providing strange gameplay at every turn!

New York Jennifer returned from Japan. Immediately ordered a new mission from Kazama. It is the arrest of boss Asuka, a drug organization that has been chasing for many years. Asuka was also the enemy that had Jennifer's sister martyred. Miyuki, a police police officer, Haruko, a female police officer, and Ayu, a new policewoman, were selected for the investigation team. Based on the information from the FBI, he heads for the wharf where transactions will take place, but what was waiting there was Kazama and a sparrow table. Kazama stares at Asuka, who is lurking inside the police, among them, and tries to expose Asuka through "Strip Mahjong Investigation".

Year 201X. Japan has achieved economic revitalization due to the legalization of betting authorized by the government due to the enforcement of the betting regulations. A gambling vocational school (commonly known as Tobasen) was established to train specialists so that they can compete with other countries even in gambling. Only the gambling arm can climb. Meanwhile, Mizuho and four female students are gathered in the classroom. They were some of the most problematic children in Tobasen. Then, the teacher tells me the startling test contents. If he wins, he will graduate as a gambling specialist. However, if he lost, he was stripped of all his clothes, and he was a mahjong undressing, breaking the rules that death sanctions were waiting.

"Strip Mahjong" series in which many sexy actresses co-star. An audition will be held to choose the second generation of Yuriko known as a legendary idol. Those who dream of the top of the idol, or those who are blinded by the prize money play a matchless mahjong game.

Welcome to a female prison in a dark society in which prisoners are ruled by sexual pressure. The new inmate Marina has been severely harassed by Iona in her cell and sadistic guard Natasha. One day she tries to jailbreak with the mysterious prisoner Kaede and others, but fails unfortunately. Anyone trying to escape from prison in this prison is immediately sentenced to death. However, only those who survive the forbidden game, "Unlimited Strip Mahjong", can escape the punishment. Marina and the others start a game of Mahjong to save their lives...